./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 760c75961baa7cc196b373809e9a87dd0bcf8eb7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 760c75961baa7cc196b373809e9a87dd0bcf8eb7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:45:48,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:48,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:48,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:48,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:48,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:48,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:48,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:48,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:48,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:48,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:48,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:48,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:48,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:48,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:48,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:48,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:48,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:48,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:48,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:48,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:48,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:48,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:48,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:48,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:48,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:48,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:48,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:48,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:48,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:48,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:48,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:48,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:48,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:48,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:48,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:48,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:48,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:48,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:48,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:48,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:48,942 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:48,983 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:48,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:48,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:48,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:48,992 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:48,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:48,993 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:48,993 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:48,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:48,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:48,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:48,997 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:48,997 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:48,999 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:48,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:48,999 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:49,000 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:49,000 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:49,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:49,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:49,002 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:49,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:49,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:49,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:49,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:49,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:49,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:49,006 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 760c75961baa7cc196b373809e9a87dd0bcf8eb7 [2019-11-27 17:45:49,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:49,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:49,582 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:49,598 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:49,601 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:49,602 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2019-11-27 17:45:49,776 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41c6f254e/6475a65b0be44433bdbc9b19dd53967d/FLAGa8fa864bb [2019-11-27 17:45:51,031 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:51,034 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2019-11-27 17:45:51,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41c6f254e/6475a65b0be44433bdbc9b19dd53967d/FLAGa8fa864bb [2019-11-27 17:45:51,115 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41c6f254e/6475a65b0be44433bdbc9b19dd53967d [2019-11-27 17:45:51,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:51,129 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:51,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:51,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:51,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:51,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:51" (1/1) ... [2019-11-27 17:45:51,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f39a4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:51, skipping insertion in model container [2019-11-27 17:45:51,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:51" (1/1) ... [2019-11-27 17:45:51,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:51,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:52,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:52,248 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:52,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:52,516 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:52,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:52 WrapperNode [2019-11-27 17:45:52,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:52,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:52,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:52,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:52,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:52" (1/1) ... [2019-11-27 17:45:52,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:52" (1/1) ... [2019-11-27 17:45:52,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:52" (1/1) ... [2019-11-27 17:45:52,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:52" (1/1) ... [2019-11-27 17:45:52,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:52" (1/1) ... [2019-11-27 17:45:52,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:52" (1/1) ... [2019-11-27 17:45:52,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:52" (1/1) ... [2019-11-27 17:45:52,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:52,736 INFO L168 Benchmark]: Toolchain (without parser) took 1600.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:52,737 INFO L168 Benchmark]: CDTParser took 2.22 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:52,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1389.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:52,757 INFO L168 Benchmark]: Boogie Preprocessor took 201.04 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:52,765 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.22 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1389.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 201.04 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:45:56,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:56,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:56,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:56,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:56,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:56,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:56,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:56,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:56,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:56,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:56,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:56,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:56,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:56,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:56,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:56,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:56,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:56,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:56,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:56,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:56,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:56,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:56,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:56,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:56,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:56,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:56,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:56,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:56,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:56,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:56,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:56,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:56,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:56,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:56,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:56,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:56,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:56,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:56,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:56,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:56,914 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:56,957 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:56,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:56,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:56,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:56,966 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:56,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:56,967 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:56,967 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:56,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:56,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:56,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:56,971 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:56,971 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:56,972 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:56,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:56,972 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:56,974 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:56,974 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:56,974 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:56,974 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:56,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:56,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:56,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:56,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:56,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:56,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:56,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:56,980 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:56,981 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:56,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:56,983 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 760c75961baa7cc196b373809e9a87dd0bcf8eb7 [2019-11-27 17:45:57,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:57,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:57,570 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:57,575 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:57,575 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:57,577 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2019-11-27 17:45:57,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a320f5eaf/8cbb11e8a8304e88a6093181d11944b8/FLAG9a0bf52b3 [2019-11-27 17:45:59,018 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:59,021 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2019-11-27 17:45:59,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a320f5eaf/8cbb11e8a8304e88a6093181d11944b8/FLAG9a0bf52b3 [2019-11-27 17:45:59,103 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a320f5eaf/8cbb11e8a8304e88a6093181d11944b8 [2019-11-27 17:45:59,112 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:59,120 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:59,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:59,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:59,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:59,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:59" (1/1) ... [2019-11-27 17:45:59,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323140ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:59, skipping insertion in model container [2019-11-27 17:45:59,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:59" (1/1) ... [2019-11-27 17:45:59,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:59,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:00,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:00,290 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:00,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:00,582 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:00,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:00 WrapperNode [2019-11-27 17:46:00,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:00,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:00,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:00,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:00,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:00" (1/1) ... [2019-11-27 17:46:00,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:00" (1/1) ... [2019-11-27 17:46:00,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:00" (1/1) ... [2019-11-27 17:46:00,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:00" (1/1) ... [2019-11-27 17:46:00,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:00" (1/1) ... [2019-11-27 17:46:00,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:00" (1/1) ... [2019-11-27 17:46:00,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:00" (1/1) ... [2019-11-27 17:46:00,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:00,796 INFO L168 Benchmark]: Toolchain (without parser) took 1675.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 962.5 MB in the end (delta: -784.3 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:00,797 INFO L168 Benchmark]: CDTParser took 2.11 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:00,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1465.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:00,802 INFO L168 Benchmark]: Boogie Preprocessor took 198.37 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:00,824 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.11 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1465.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 198.37 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...